From: "Nathaniel Gray" <n8gray@gmail.com>
To: "Robert Fischer" <robert@fischerventure.com>
Cc: caml-list@yquem.inria.fr
Subject: Re: [Caml-list] Preferred Way to Split a List
Date: Fri, 2 Nov 2007 20:06:59 -0700 [thread overview]
Message-ID: <aee06c9e0711022006o5239e217lc6451644f8ad2c0b@mail.gmail.com> (raw)
In-Reply-To: <47272F1D.1030703@fischerventure.com>
On Oct 30, 2007 6:18 AM, Robert Fischer <robert@fischerventure.com> wrote:
>
> > Do you need to preserve ordering in the sublists?
> >
> Yes.
> > Do they need to be roughly equivalent lengths?
> No -- the head list will probably be shorter than the tail list.
Hmm...
let fast_list_splitter = function
| h :: t -> [h], t
| [] -> [], [] (* Or maybe raise an exception? *)
Or if you're really shooting for speed:
let golly_it's_fast_list_splitter lst = [], lst
I win. Seriously, you must have *some* further constraints!
Cheers,
-n8
--
>>>-- Nathaniel Gray -- Caltech Computer Science ------>
>>>-- Mojave Project -- http://mojave.cs.caltech.edu -->
next prev parent reply other threads:[~2007-11-03 3:07 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-10-29 23:33 Robert Fischer
2007-10-30 0:45 ` [Caml-list] " Matthew William Cox
2007-10-30 13:18 ` Robert Fischer
2007-11-03 3:06 ` Nathaniel Gray [this message]
2007-10-30 1:20 ` Julien Moutinho
2007-10-30 1:38 ` Karl Zilles
2007-10-30 5:46 ` skaller
2007-10-30 7:58 ` Alain Frisch
2007-10-29 9:34 ` Christophe Raffalli
2007-10-30 11:31 ` skaller
2007-10-30 12:30 ` David Allsopp
2007-10-30 15:03 ` Christophe Raffalli
2007-10-30 11:15 ` skaller
2007-10-30 13:05 ` Brian Hurt
2007-10-30 7:50 ` Jon Harrop
2007-10-30 13:20 ` Robert Fischer
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